Minecraft 1.21.4

Everything below is measured by comparing the game files of 1.21.3 with 1.21.4 — not copied from patch notes.

1.21.4 block and item additions

12 new blocks and items. Hover a slot for the name; click to open its page.

Blocks +11

Chiseled Resin BricksClosed EyeblossomOpen EyeblossomPotted Closed EyeblossomPotted Open EyeblossomResin BlockResin Brick SlabResin Brick StairsResin Brick WallResin BricksResin Clump

Items +10

Chiseled Resin BricksClosed EyeblossomOpen EyeblossomResin BlockResin BrickResin Brick SlabResin Brick StairsResin Brick WallResin BricksResin Clump

Mobs and entities +0 · −1

Removed: minecraft:creaking_transient

How to make the new things 12

Hover a slot to see what goes in it.

Result	Made in	Recipe
Chiseled Resin Bricks	Crafting
Chiseled Resin Bricks	Stonecutting
Resin Block	Crafting
Resin Brick	Smelting	Smelting10.0s · 0.1 XP
Resin Brick Slab	Crafting	6
Resin Brick Slab	Stonecutting	2
Resin Brick Stairs	Crafting	4
Resin Brick Stairs	Stonecutting
Resin Brick Wall	Crafting	6
Resin Brick Wall	Stonecutting
Resin Bricks	Crafting
Resin Clump	Crafting	9

Particles +1

Pale Oak Leaves

Sound events +15

Block states changed

New in-game text 29

Reworded text 6

Wording Mojang changed in this version.

Read from Mojang’s own release notes for Minecraft: Java Edition 1.21.4, published 2024-12-03. Every entry keeps its original bug ID.

280 issues fixed, read from Mojang’s own patch notes. Each entry keeps its original bug ID.

Fixed bugs in 1.21.4 249

• MC-212 Fall damage is ignored for a couple of seconds when reloading into LAN or singleplayer worlds
• MC-10025 Burn time indicator of a furnace not working correctly after reloading the world
• MC-12829 Flying through climbable blocks in creative mode slows you down
• MC-16132 Cave carvers don't cut through snow blocks
• MC-21650 Player is immune to damage for a few seconds after saving the world and returning
• MC-49071 The title of written books is not displayed in item frames unless renamed with anvils
• MC-50614 Villager trading window is not closed when villager leaves interaction range
• MC-55347 Title with long duration shows in other world
• MC-59308 Dark/pale oak leaves sometimes do not generate centered on the tree
• MC-65931 The pick block function doesn't work with entities while in survival or adventure mode
• MC-71990 The 'Hat' layer of a player skin is not shown in the tab list under certain conditions
• MC-72846 Altering the time of day using commands is delayed
• MC-73784 Players cannot see through ice when stuck inside of it
• MC-74408 The brewing stand GUI does not have container sprites for the fuel and potion output slots
• MC-86153 Ctrl Pick Block gives new item even if picked item already exists in inventory
• MC-86455 Pick-block creates ghost items in Creative when hotbar is full
• MC-99848 Sprinting isn't canceled upon receiving the blindness effect
• MC-100830 Horses glitch out and warning is logged in console when climbing up stairs
• MC-111516 Player flickers/turns invisible when flying at high speeds
• MC-128225 '/data remove' can't remove the NBT "CustomName"
• MC-129888 Naturally-generated seagrass and kelp destroys ice
• MC-134002 Blocks at y=-64 don't render on a map
• MC-138100 /data remove doesn't work for the Jukebox's RecordItem tag
• MC-150224 Rabbits can occasionally get stuck on the edges of blocks
• MC-158205 Ender Dragon doesn't take damage from melee attacks unless hit a certain way
• MC-158872 Models use model of last matched predicate, not closest match
• MC-159508 Ctrl + Pick block on beehives and nests does not copy their honey levels
• MC-160001 Skulls, signs, hanging signs, banners and decorated pots have no breaking/sprinting particles
• MC-160051 Players can prevent fire damage by reloading world/re-joining server
• MC-165778 Maps ignore blocks at the lowest block position (y = -64 in the Overworld) with no block above
• MC-166072 Custom Trident model ignores "layer0" and "elements" section
• MC-166614 Advancements menu doesn't render titles fully when they're longer than roughly 30 characters
• MC-177078 Sound event minecraft:entity.minecart.inside does not have an associated subtitle
• MC-177082 block.[block type].fall sounds have no subtitles
• MC-177084 Ambient sounds when flying with elytra have no subtitles
• MC-177091 Skeleton horse underwater jump sound has no subtitle
• MC-179815 Data command doesn't remove leash from a mob
• MC-181438 Elytra visual shuddering when using slow falling
• MC-186105 Rain particles look lighter than they should with graphics set to Fabulous!
• MC-186341 Command autocomplete doesn't consider parts after a slash
• MC-189612 When switching gamemode from survival to spectator using F3 + F4, the player's breathing does not reset.
• MC-191096 Fences and walls can no longer be placed in invalid block states by using /setblock or /fill
• MC-191698 Cannot set "shape" block state of stairs with /setblock
• MC-192498 /fill and /setblock cannot set different directional block states of several blocks, such as glass panes and iron bars
• MC-192791 Doors' block states cannot be set if another door half exists
• MC-192943 Cannot set the in_wall block state of fence gates with /setblock or /fill
• MC-192956 Cannot setblock chest type other than single without other adjacent chest
• MC-192959 Cannot setblock a directional state on redstone wire nor tripwire
• MC-193176 Most mobs with CanPickUpLoot prefer swords over axes and will downgrade their weapon
• MC-193313 Mob item pick up behavior is not distinct resulting in mobs constantly dropping and picking up items
• MC-193315 /setblock and /fill resets the instrument block state of note blocks
• MC-193336 Heads/skulls don't render when held by an enderman or as block display entities
• MC-197857 Villagers trying to claim claimed beds
• MC-200508 No subtitle for fish swim
• MC-201940 After dying, Ender Dragon body part hitboxes do not move upwards with the main hitbox
• MC-202250 Sprinting particles appear when sprinting inside of boats in shallow water
• MC-203146 No subtitle for item.crossbow.loading_middle
• MC-204124 Underwater minecart riding sound does not have a subtitle
• MC-205074 Rain and snow are not affected by the fog from powder snow when using the "Fabulous!" graphic setting
• MC-206684 Spyglass particles have no associated texture
• MC-207605 /data remove entity [tamed wolf] Owner does not remove ownership of the wolf
• MC-215992 Inconsistency with blackstone and stone pressure plate drops compared to buttons
• MC-217515 Particle effects are brighter using Fabulous! graphics setting
• MC-218873 Lanterns and soul lanterns require a pickaxe to drop despite being able to break the block on which they are mounted and them drop
• MC-222795 Daylight detector can be ctrl + pick-block'ed with NBT data despite being unable to store inverted: true state
• MC-224763 Fireworks are not affected by the fog from powder snow or lava when using the "Fabulous!" graphic setting
• MC-225367 Magma Cube's layers UV mapping overlaps
• MC-229142 Spyglass texture doesn't allow override through resource pack
• MC-236295 The game does not report absent particle texture references in models to the output log
• MC-248264 /data remove can't remove ArmorItems
• MC-249079 Sculk veins are not mirrored correctly from behind
• MC-254356 Dying to a minecart with TNT ignited by a blaze fireball doesn't count as the blaze's kill
• MC-255254 /setblock can't place snowy grass blocks
• MC-256649 Hanging signs aren't rendered when held by endermen or as block display entities
• MC-256822 Advancement description text cuts words in weird places if title is too short
• MC-260216 Decorated pots aren't rendered when held by endermen or as block display entities
• MC-264541 Nine_sliced sprite glitch
• MC-264963 Players jitter and land slightly too high up when landing on powder snow while wearing leather boots
• MC-265033 Slots with item outline textures behave inconsistently when items are placed inside of these slots
• MC-265305 Unused pixels in magmacube.png UV texture map & Used section removed in previous fix
• MC-265637 /execute on origin doesn't work on Area Effect Cloud's owner after rejoining
• MC-265788 The "Start free Snapshot Realm" element can be selected or remain selected causing its tooltip to erroneously be visible when other interfaces are open
• MC-266019 Large bold text can have gaps in the middle of characters
• MC-266572 When the experience orb is hit by a wind charge, the physical collision is much more lagged compared to the item
• MC-266991 Exposed Copper Bulb has inconsistent pixels
• MC-267095 Nether Brick block texture misalignment
• MC-267192 "download.pack.failed" string exceeds the prompt box when the Force Unicode Font is turned off
• MC-267343 Sprinting isn't canceled upon riding entities
• MC-267730 Text wall when trying to join a server
• MC-267878 Tutorial hint for movement may not fit all the required text if controls are changed
• MC-268364 Wind Charges don't ignite TNT minecarts
• MC-268522 The last language option is not deselected if you reach the bottom of the list and exit the menu
• MC-268822 There are no shadows on text displayed within the singleplayer, multiplayer, and realms list menus
• MC-269145 Wool item entities created when shearing a sheep stutter while flying
• MC-269616 Telemetry Data scroll bar does not have a background
• MC-269743 Layer material entry text on the superflat customization screen is not vertically centered
• MC-269749 Report Player scroll bar does not have a background
• MC-269935 Advancement box textures use nine-slice scaling, but seemingly cannot be configured
• MC-270136 Thrown projectiles with custom_model_data do not maintain proper particles when breaking
• MC-270529 Air's model does not define a particle texture, causing issues
• MC-271169 The "Isn't It Scute?" advancement is granted when unleashing an armadillo while holding a brush
• MC-271218 Empty Offers:{} NBT doesn't disable trades anymore
• MC-271786 Empty block states in noise_provider does not cause validation to fail, causing crash
• MC-272062 Dimension padding doesn't affect the start piece
• MC-272105 Decorated Pot is missing the "contents" implicit data component type
• MC-272245 You can get the advancement "Shear Brilliance" when you use shears on a leashed wolf
• MC-272923 1.21 main menu panorama missing ladder
• MC-272994 Allays assigned to a player can be set on fire with sweeping and fire aspect
• MC-273407 Block entity items with custom block states keep them as components when placed
• MC-273450 Mobs with CanPickUpLoot:1b behave inconsistently with the mace / trident
• MC-273522 Mobs with CanPickUpLoot no longer pick up enchanted items after picking up an unenchanted item
• MC-273635 Trial spawners forget their designated mob when placed by player out of creative mode, assigned by spawn eggs
• MC-273710 Wild foxes "trust" the player after being leashed to a fence
• MC-273861 When a leashed bee enters a hive, the leash disappears
• MC-274268 Trial Spawner keeps flashing after cooldown ends
• MC-274571 The advancement "Little Sniffs" can be obtained by unleashing the snifflet and not feeding it
• MC-275011 Instant mine does not work when standing inside of cobwebs
• MC-275274 Missing sound for event: minecraft:block.spawner.fall
• MC-275338 Sprint particles can be seen if you mount a minecart (with no rail below it) while running
• MC-275339 Bad contrast in bundle interface with dark blocks
• MC-275917 Consumable blocking animation is broken in first person
• MC-275952 Riding a minecart above the water with Frost Walker boots on will also give the Frost Walker effect
• MC-276110 honey_level model predicate range is 1 for level 5 and 0 for levels 1-4
• MC-276115 New Bee Nest and Beehive item models don't use the block parent
• MC-276123 Display entity shadow_radius updates for all display entities
• MC-276329 Bundles move up and down slightly when right-clicked
• MC-276389 The "Can hold a mixed stack of items" text within bundle tooltips doesn't have a shadow
• MC-276412 Custom item models set to a shield and various other items all create invisible items
• MC-276529 Converting a villager into a witch does not close the trading GUI
• MC-276654 item_model item component breaks on trident
• MC-276697 Neutral mobs don't pathfind correctly to their target after being unleashed
• MC-276728 Tridents and spyglasses appear dark in the inventory if given a custom item model for a block
• MC-276730 Bundles appear dark in the inventory if given a custom item model for a block and then scrolled through
• MC-276731 Items which use entity models will not render another entity model if specified via item model component
• MC-276732 Colors will carry over from item ID to target model
• MC-276764 Eggs with custom models use the particles from that model, but snowballs do not
• MC-276769 Missing texture when throwing eggs with certain template models
• MC-276771 Missing texture when a damageable item with one of several template models is destroyed
• MC-276794 There are no shadows on text displayed within the social interactions list menu
• MC-276799 There are no shadows on text displayed within the superflat customization or preset lists
• MC-276828 Minecraft no longer prints an error to the game log when a model fails to define a texture
• MC-276847 Bundles given the model of a different bundle will not preserve their color when scrolled through
• MC-276962 JVM crash occurs when minimizing maximized window
• MC-276969 TNT Minecarts with explosion_power set to 0 can still break blocks
• MC-276986 Missing pixel in open bundle texture
• MC-277042 Blue and Red open bundle are inconsistent with the other colors
• MC-277066 Creakings do not show particles leading to the creaking heart if Particles are set to Minimal
• MC-277071 Middle clicking on a creaking spawned naturally through a creaking heart doesn't give you the spawn egg
• MC-277072 You can use bone meal on pale moss carpets in situations where nothing grows
• MC-277074 The entity shadows of creakings are slightly too large in relation to the size of their models
• MC-277076 Pale hanging moss doesn't have an assigned tool
• MC-277082 Creakings take knockback from wind charges
• MC-277092 The eyes of creakings aren't visible when creakings have the invisibility effect
• MC-277094 Pale oak hanging sign uses a totally different palette to the rest of the wood set
• MC-277101 Destroying a creaking heart with player-activated TNT does not grant the Monster Hunter advancement
• MC-277113 Pale oak sign item and block texture is inconsistent with the other signs
• MC-277115 Creaking mob can spawn inside block
• MC-277123 You can get soft locked if a creaking falls in a hole with you
• MC-277129 The Creaking "slides" on the ground when not aggro towards the player
• MC-277132 Pale oak sign item textures are inconsistent
• MC-277134 Pale chest boat item is incorrect
• MC-277140 The statistics screen does not visually differentiate the creaking and creaking_transient entities
• MC-277145 The 2 brightest pixel colors on pale oak boat items are wrong
• MC-277149 Creakings are affected by knockback from mace smash attacks
• MC-277152 The statistic for killing a creaking doesn't increment when breaking a creaking heart
• MC-277154 Sculk sensors are not activated upon creakings dying through their creaking hearts being destroyed
• MC-277164 Music plays in the pale garden
• MC-277169 Creaking moves while a player is looking at it while moving a certain way and looking through pale moss
• MC-277202 Differences in the highlight effect of empty slot outlines in the GUI
• MC-277213 Subtitles for cave sounds, creaking heart idle sounds, and pale hanging moss idle sounds are identical but are shown separately
• MC-277214 The sound event associated with the "Creaking sees player" subtitle doesn't exist
• MC-277226 Creakings not linked to any heart display wrong subtitles when attacked with non-damaging projectiles
• MC-277243 Creakings take knockback from Punch bows
• MC-277264 The Creaking can be knocked back by zoglins
• MC-277268 Pufferfish have no hit delay on creakings; they make a loud buzzing noise constantly
• MC-277271 Sniffers can't dig into pale moss
• MC-277275 Crash upon loading chunks when teleporting
• MC-277305 Creakings are able to be pushed around by entities and players when standing on soul sand and mud
• MC-277363 Creakings cannot rotate their heads independently from their bodies
• MC-277368 The "message(s) selected" text within the "Select Chat Messages to Report" menu is positioned too close to the header separator
• MC-277373 There are no shadows on text used to display the names of categories within the key binds menu
• MC-277374 There are no shadows on text used to display the names of lists within the resource pack and data pack menus
• MC-277387 Evokers run away from creakings faster than other illagers
• MC-277399 The hand animation isn't played when constantly emptying items from bundles
• MC-277408 There are no shadows on text used to display the description of report categories within the "Select Report Category" menu
• MC-277413 The empty state sprite for the oxygen bar takes a little longer to start displaying compared to Bedrock Edition
• MC-277440 There are no shadows on text used to display the speed at which a world is being uploaded within the realms menu
• MC-277441 There are no shadows on text used to display the start date and time left of your realm subscription within the realms menu
• MC-277443 There are no shadows on text displayed when connecting to realms
• MC-277444 There are no shadows on text used to display the names of text boxes within the realms settings menu
• MC-277477 There are no shadows on text used to display the description of advancements within the advancements menu
• MC-277478 The "Layer Material" and "Height" text within the "Superflat Customization" menu is positioned too close to the header separator
• MC-277479 There are no shadows on text used to display the names of game rules within the game rules menu
• MC-277480 There are no shadows on placeholder text displayed within the "Please describe what happened" box within the reporting menu
• MC-277499 Most empty slot icons ignore "scaling" parameter in mcmeta files
• MC-277510 When grass or mycelium grows under powder snow the grass is not snowy
• MC-277533 Bundles can remain in the open state when taken out from saved hotbars
• MC-277549 Arrows summoned with custom motion don't render correctly
• MC-277557 Creaking Heart has inconsistent and miscolored pixels
• MC-277617 The base damage of the Power enchantment was reduced in 1.21
• MC-277651 Arrows and tridents glitch when in an explosion or wind charge burst
• MC-277657 Arrows are not correctly affected by rising bubble columns
• MC-277658 Tridents glitch up and down in rising bubble columns
• MC-277682 Arrows and tridents glitch after shooting/throwing them onto magma/soul sand blocks underwater
• MC-277742 Creakings activate for a brief moment when switching from Creative to Spectator mode
• MC-277754 Chunks on the corner of the rendering distance are not synchronized between client and server for the terrain
• MC-277776 Baby cats and ocelots size is changed
• MC-277815 Creakings on a team can still be observed and stopped by teammate players
• MC-277833 Creakings can attack players in the same team as them
• MC-277871 Creaking Hearts do not have a unique place sound
• MC-277889 Villagers' iron golem detection range is increased for villagers upgraded from 1.21.1 or earlier
• MC-277892 Clicking on the selected recipe a second time in the stonecutter GUI turns the result item into a ghost item
• MC-277916 Containers are locked when upgrading a world from certain versions
• MC-277925 Resin Brick Stairs are not part of the #stairs block and item tags
• MC-277926 Resin Brick Slab is not part of the #slab block and item tags
• MC-277929 The game crashes when attempting to use the void preset
• MC-277930 Eyeblossom subtitles are inverted
• MC-277931 Incorrect display on the map of the flower Closed and Open Eyeblossom
• MC-277932 Resin Clump is not part of the #replaceable block tag
• MC-277933 Smithing Table doesn't show a Clump icon for ingredient slot
• MC-277939 Programmer Art's empty slot icons may not have been correctly updated for 24w44a
• MC-277941 resin_clump is not mirrored correctly from behind
• MC-277945 Incorrect verb form in "Elytra swooshes" subtitle
• MC-277948 Suspicious stew gives different durations of Blindness for Eyeblossom and Azure Bluet
• MC-277950 Open potted eyeblossom is shaded (flower_pot_cross_emissive
• MC-277951 Eyeblossom is placed in an unexpected position in the Creative inventory
• MC-277952 Sprinting isn't canceled upon flying with elytra
• MC-277954 Creaking Heart underwater plays spawning sounds in a loop
• MC-277955 Using a loom crashes the game
• MC-277959 Reloading chunks can break translucency sorting
• MC-277961 Experience orbs incorrectly bounce up
• MC-277962 Chiseled Resin Bricks have a miscolored pixel
• MC-277964 Resin is not generated when a creaking is attacked by a wolf owned by a player
• MC-277966 Creaking does not generate resin from player-caused explosions
• MC-277967 The game crashes when certain explosions occur near a creaking in its death animation
• MC-277970 Hanging signs don't display chains when attached to the side of a block
• MC-277972 You can no longer swim when crouched under a slab
• MC-277977 Teleporting large distances whilst gliding prevents the world from loading and player model glitchiness
• MC-277983 Naturally-spawned creaking hearts drop experience when broken in Creative mode
• MC-277994 Picking a decorated pot or a shulker box always keeps its container data
• MC-278002 Sculk sensors are not activated upon resin clumps spawning from creaking hearts
• MC-278004 Hitting a creaking heart with a wind charge kills the creaking
• MC-278028 Using items underwater can force you to exit swimming mode
• MC-278058 Breeze entity model rods no longer spin around when it is moving
• MC-278071 "minecraft.used:minecraft.trident" doesn't increase when throwing a trident
• MC-278102 Recipe book icons no longer visually indicate that an item has multiple recipes
• MC-278124 Resin clumps are not waterloggable
• MC-278137 Inconsistent behavior occurs when the "Sprint" option is set to "Hold" while riding camels and when players sprint normally
• MC-278257 Oxygen bar animation can be interrupted by applying water breathing

Every build Mojang published on the way to 1.21.4, in order.

1. Snapshot

   3

   Weekly work-in-progress build. Things break and get removed again.

   24w44a24w45a24w46a

2. Pre-release

   3

   Feature-complete; only bug fixes land between here and release.

   1.21.4-pre11.21.4-pre21.21.4-pre3

3. Release candidate

   3

   The build Mojang intends to ship unless a blocking bug turns up.

   1.21.4-rc11.21.4-rc21.21.4-rc3

4. Release

   1.21.4

   The build that shipped. Everything above led here.